You can give a PowerPoint presentation about any topic to a big crowd, what will you about?

"Okay, so it's the 41st millenium and there's this guy called The Emperor. He doesn't have a name, he's just The Emperor and he's the most powerful psychic in the galaxy. He's also a skeleton that's barely even alive sitting on a giant physic-amplifying throne. You see, what happened is that around the 30th millenium..."